c语言中统计文件字符数

1、

 

#include <stdio.h>

int main(void)
{
    FILE *fp;
    char c1[128];
    
    int lines = 0;
    
    fp = fopen("a.txt", "r");
    
    while(fscanf(fp, "%s", c1) == 1)
    {
        lines++;
    }
    
    printf("lines = %d\n", lines);
    fclose(fp);
    return 0;
}